Exercise apparatus



FIG. 1 is a perspective view of an exercise apparatus according to a first variant of the present design;

FIG. 2 is a front view of an exercise apparatus according to a first variant of the present design;

FIG. 3 is a side view of an exercise apparatus according to a first variant of the present design;

FIG. 4 is a perspective view of an exercise apparatus according to a second variant of the present design;

FIG. 5 is a front view of an exercise apparatus according to a second variant of the present design;

FIG. 6 is a side view of an exercise apparatus according to a second variant of the present design;

FIG. 7 is a perspective view of an exercise apparatus according to a third variant of the present design;

FIG. 8 is a front view of an exercise apparatus according to a third variant of the present design; and,

FIG. 9 is a side view of an exercise apparatus according to a third variant of the present design. 

CLAIM The ornamental design for an exercise apparatus, as shown and described. 